X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAIModel%2FAIFlightPlan.cxx;h=438d9912552993126bd992e9bc62ebdfdabd8125;hb=90b2d25671d60ff3c5561791676f27d31676904c;hp=e9035eddb0bb9e8fce55ac90c122e2cf33422f9f;hpb=301054204e0412eb31f06477e32cfe6f1fcb0792;p=flightgear.git

diff --git a/src/AIModel/AIFlightPlan.cxx b/src/AIModel/AIFlightPlan.cxx
index e9035eddb..438d99125 100644
--- a/src/AIModel/AIFlightPlan.cxx
+++ b/src/AIModel/AIFlightPlan.cxx
@@ -381,6 +381,10 @@ void FGAIFlightPlan::setLeadDistance(double speed, double bearing,
   // At a turn rate of 30 degrees per second, it takes 12 seconds to do a full 360 degree turn
   // So, to get an estimate of the turn radius, calculate the cicumference of the circle
   // we travel on. Get the turn radius by dividing by PI (*2).
+  if (speed < 0.5) {
+        lead_distance = 0.5;
+        return;
+  }
   if (speed < 25) {
        turn_radius = ((360/30)*15) / (2*M_PI);
   } else